|
1
37 package net.sourceforge.cruisecontrol.taglib;
38
39 import net.sourceforge.cruisecontrol.BuildInfo;
40 import net.sourceforge.cruisecontrol.util.CCTagException;
41 import net.sourceforge.cruisecontrol.util.DateHelper;
42
43 import javax.servlet.jsp.JspException  ;
44 import javax.servlet.jsp.JspTagException ;
45 import javax.servlet.jsp.tagext.BodyContent ;
46 import java.io.File ;
47 import java.io.IOException ;
48 import java.text.DateFormat ;
49 import java.text.SimpleDateFormat ;
50 import java.util.Arrays ;
51
52 public class NavigationTag extends CruiseControlBodyTagSupport {
53 public static final String LINK_TEXT_ATTR = "linktext";
54 public static final String URL_ATTR = "url";
55 public static final String LOG_FILE_ATTR = "logfile";
56 public static final String BUILD_INFO_ATTR = "buildinfo";
57
58 private BuildInfo[] buildInfo; private int count;
61 private int startingBuildNumber = 0;
62 private int finalBuildNumber = Integer.MAX_VALUE;
63 private int endPoint;
64 private DateFormat dateFormat = null;
65
66 protected String getLinkText(BuildInfo info) {
67 String label = "";
68 if (info.getLabel() != null) {
69 label = " (" + info.getLabel() + ")";
70 }
71
72 return getDateFormat().format(info.getBuildDate()) + label;
73 }
74
75 public int doStartTag() throws JspException {
76 BuildInfo [] logFileNames = findLogFiles();
77 Arrays.sort(logFileNames, new ReversedComparator());
79 buildInfo = logFileNames;
80 count = Math.max(0, startingBuildNumber);
81 endPoint = Math.min(finalBuildNumber, buildInfo.length - 1) + 1;
82 if (count < endPoint) {
83 return EVAL_BODY_TAG;
84 } else {
85 return SKIP_BODY;
86 }
87 }
88
89 private BuildInfo[] findLogFiles() throws JspException {
90 File logDir = findLogDir();
91 return BuildInfo.loadFromDir(logDir).asArray();
92 }
93
94 public void doInitBody() throws JspException {
95 setupLinkVariables();
96 }
97
98 void setupLinkVariables() throws JspTagException {
99 final BuildInfo info = buildInfo[count];
100 String logName = info.getLogName();
101 getPageContext().setAttribute(URL_ATTR, createUrl(LOG_PARAMETER, logName));
102 getPageContext().setAttribute(LINK_TEXT_ATTR, getLinkText(info));
103 getPageContext().setAttribute(LOG_FILE_ATTR, logName);
104 getPageContext().setAttribute(BUILD_INFO_ATTR, info);
105 count++;
106 }
107
108 public int doAfterBody() throws JspException {
109 if (count < endPoint) {
110 setupLinkVariables();
111 return EVAL_BODY_TAG;
112 } else {
113 try {
114 BodyContent out = getBodyContent();
115 out.writeOut(out.getEnclosingWriter());
116 } catch (IOException e) {
117 err(e);
118 throw new CCTagException("IO Error: " + e.getMessage(), e);
119 }
120 return SKIP_BODY;
121 }
122 }
123
124 public int getStartingBuildNumber() {
125 return startingBuildNumber;
126 }
127
128 public void setStartingBuildNumber(int startingBuildNumber) {
129 this.startingBuildNumber = startingBuildNumber;
130 }
131
132 public int getFinalBuildNumber() {
133 return finalBuildNumber;
134 }
135
136 public void setFinalBuildNumber(int finalBuildNumber) {
137 this.finalBuildNumber = finalBuildNumber;
138 }
139
140
149 public void setDateFormat(String dateFormatString) {
150 dateFormat = new SimpleDateFormat (dateFormatString);
151 }
152
153 private DateFormat getDateFormat() {
154 if (dateFormat == null) {
155 dateFormat = DateHelper.createDateFormat(getLocale());
156 }
157 return dateFormat;
158 }
159
160 }
161 |
Popular Tags |
Java API By Example, From Geeks To Geeks.